Idiom of the Day
nobody's fool
a smart person, a person who can take care of himself or herself
The woman is nobody`s fool. You will not have to worry about her when she starts her new job.
Fact
Some octopuses live in such deep water, that it is completely dark all the time. Here it is useless for them to squirt black ink at their enemies to confuse them. Instead, the octopuses emit a cloud of luminous germs that blind their predators.
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